request.getRequestURI() 跟request.getRequestURL()区别
request.getRequestURI() 和request.getRequestURL()区别request.getRequestURI() 返回值类似：/myContext/
request.getRequestURI() 和request.getRequestURL()区别
request.getRequestURI() 返回值类似：/myContext/requestdemo.jsp返回值是Stringrequest.getRequestURL() 返回值类似：http://localhost:8080/myContext/requestdemo.jsp返回值是StringBuffer
